Bishop Moore College is an aided college in Mavelikkara, Alappuzha, Kerala, India, affiliated with the University of Kerala. The college ranked 76 in NIRF 2020, in the rank band 101–150 in NIRF (National Institutional Ranking Framework) 2019, and ranked 92 in NIRF 2018. The college was accredited by NAAC with an "A" Grade in 2017 (Third Cycle of Accreditation). The college is managed by the Madhya Kerala Diocese of the Church of South India, and offers 11 undergraduate programs, five postgraduate programs, and two research programs. It is located at Kallumala, Mavelikara. The current principal of the college is Dr. Jacob Chandy..
In this paper, we introduce and study an intervened version of the hyper-Poisson distribution, which incorporates an intervention mechanism into the standard hyper-Poisson framework. We studied some of its relevant properties by deriving explicit expressions for its mean, variance, coefficient of skewness and kurtosis, probability generating function, factorial moments, raw moments, and recursion formulae for its probabilities, factorial moments, and raw moments. Various parameter estimation techniques for the intervened hyper-Poisson distribution are examined, including maximum likelihood estimation. To assess its practical applicability, the model is fitted to real-life datasets, and its goodness-of-fit is evaluated. Additionally, a likelihood ratio test is conducted to verify the statistical significance of the parameters. Furthermore, a simulation study is performed to assess the efficiency of the maximum likelihood estimators, providing insights into the robustness of the proposed model.
Nanoporous carbon is a highly promising material for energy storage and conversion due to its high specific surface area, large pore volume, and tunable porosity. Herein, we report carbon nitride (CN) incorporated nanoporous carbon derived from largely available and low-cost Victorian brown coal through the KOH solid-state activation followed by the carbonization of aminoguanidine at low temperatures under inert conditions. The prepared materials have high specific surface areas (>3100 m(2) g(-1)), large pore volumes (>1.7 cm(3) g(-1)), and a hierarchical nanoporous structure. At a current density of 0.5 A g(-1), the optimized material exhibited a high specific capacitance of 226.5 F g(-1). The symmetric supercapacitor device demonstrated an energy density of 18 Wh kg(-1) at a power density of 582 Wkg(-1). Furthermore, a quasi-solid KOH/PVA gel-based supercapacitor exhibited a specific capacitance of 119.3 F g(-1) at 0.1 A g(-1). The AG10 material also demonstrated an excellent limiting current density of 5.31 mA cm(-2) at 0.2 V in the oxygen reduction reaction, significantly higher than the nanoporous carbon without CN (0.94 mA cm(-2)). While the nanoporous carbon plays a key role in ion transfer and providing electrical conductivity, CN is beneficial for providing abundant electrochemical active sites for improving capacitive and catalytic performance. The work demonstrates the advantage of optimal incorporation of CN in imparting N functionalities while retaining high surface area and porosity for improved energy storage and oxygen reduction reaction performance.
Single crystals of 2,4,6-Trinitrophenol are synthesized through the traditional slow evaporation method at ambient temperature. Optical microscopy reveals nucleation, while powder X-ray diffraction analysis confirms the crystalline structure. The optical properties are evaluated through UV-VIS-NIR spectroscopy, and surface morphology is analyzed using etching and SEM techniques. The low dielectric constant and minimal loss values at high frequencies suggest the suitability of TNP for electro-optical applications. Photoconductivity studies indicate a positive photoconductive response in the grown crystal. Materials with moderate band gaps ( similar to 2.7-3.5 eV) exhibited enhanced nonlinear absorption coefficients and lower optical limiting thresholds (OLT), reflecting superior optical limiting efficiency arising from near-resonant excited-state absorption, whereas wider band gap materials ( > 4.5 eV) showed weaker nonlinear responses dominated by less efficient two-photon absorption processes. The nonlinearity coefficient (beta), measured via the OA Z-scan technique, is evaluated to be 0.7 x 10-11 m/W, attributed to two-photon absorption. Furthermore, with a fluence threshold of 6.21 x 1012 W/m2, the crystal demonstrates strong optical limiting behavior, making it a promising material for optical limiting applications.
The double perovskite material La₂CoMnO₆ was synthesized using the sol-gel method. Its structural characteristics were analyzed through X-ray powder diffraction (XRD), with Rietveld refinement confirming that the sample crystallizes in a monoclinic structure within the P2₁/n space group. Field emission scanning electron microscopy (FESEM) images revealed a non-uniform, slightly porous, and agglomerated structure, while elemental composition was determined through EDAX analysis. Magnetic studies indicated a frustrated magnetic ground state with competing interactions, along with a para-to-ferro magnetic transition at a Curie temperature (TC) of 209 K. Analysis using Arrott’s plot confirmed that the magnetic transition in La₂CoMnO₆ is of second order. Magnetocaloric studies showed that the ΔSM(T) curve remains nearly stable over the investigated temperature range, demonstrating a broadened entropy profile, which positions this material as a promising candidate for magnetic cooling applications.
Aristolochia indica L. (Aristolochiaceae) is a medicinal plant known for its diverse pharmacological properties. In this study, an in vitro methodology for callus induction from A. indica leaf and stem explants was developed using Murashige and Skoog (MS) medium. Various concentrations of auxins and cytokinins were tested, with the combination of1 mgL-1 NAA and 0.5 mgL-1 BAP proving most effective for callus induction, resulting in the shortest induction time. The total flavonoid and phenol content of A. indica were quantitatively estimated. The total flavonoid content and phenolic content in the plant were found to be significantly higher than in the callus. GC-MS analysis revealed a wide range of bioactive compounds including sterols like gamma-sitosterol, stigmasterol and campesterol, as well as fatty acids such as linoleic acid and palmitic acid, along with their derivatives. Squalene, a compound with antioxidant properties, was identified in callus extracts. The antibacterial assay revealed varying levels of activity against common pathogens including Klebsiella pneumoniae and Staphylococcus aureus, with the plant extracts exhibiting stronger inhibition than the callus extracts. This study highlights the significant pharmacological potential of A. indica, emphasizing its chemical diversity and therapeutic relevance.
